It’s a gloomy preview of what will happen to Earth when our sun morphs into a red giant and gobbles the four inner planets in another 5 billion years.“If it’s any consolation, this will happen in about 5 billion years,”
CAPE CANAVERAL, Fla. — For the first time, scientists have caught a star in the act of swallowing a planet — not just a nibble or bite, but one big gulp.
“If it’s any consolation, this will happen in about 5 billion years,” said co-author Morgan MacLeod of the Harvard-Smithsonian Center for Astrophysics. While there had been previous signs of other stars nibbling at planets and their digestive aftermath, this was the first time the swallow itself was observed, according to the study appearing in the journal Nature.Massachusetts Institute of Technology researcher Kishalay De spotted the luminous outburst in 2020 while reviewing sky scans taken by the California Institute of Technology’s Palomar Observatory.
The findings are “very plausible,” said Carole Haswell, an astrophysicist at Britain’s Open University, who had no role in the research. Haswell led a team in 2010 that used the Hubble Space Telescope to identify the star WASP-12 in the process of eating its planet.
France Dernières Nouvelles, France Actualités
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